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20137230526422 = 2315972126998809
BaseRepresentation
bin1001001010000100100000…
…11110001110011111010110
32122022002201012220112212110
410211002100132032133112
510114412022003321142
6110454525504331450
74145603226163122
oct445022036163726
978262635815773
1020137230526422
116464173723739
122312891913b86
13b30c18176269
144d890bb30582
1524dc3789c99c
hex12509078e7d6

20137230526422 has 32 divisors (see below), whose sum is σ = 40301982511200. Its totient is φ = 6707823752448.

The previous prime is 20137230526339. The next prime is 20137230526429. The reversal of 20137230526422 is 22462503273102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20137230526429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203750154 + ... + 203848962.

It is an arithmetic number, because the mean of its divisors is an integer number (1259436953475).

Almost surely, 220137230526422 is an apocalyptic number.

20137230526422 is an abundant number, since it is smaller than the sum of its proper divisors (20164751984778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20137230526422 is a wasteful number, since it uses less digits than its factorization.

20137230526422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121680.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 20137230526422 its reverse (22462503273102), we get a palindrome (42599733799524).

The spelling of 20137230526422 in words is "twenty trillion, one hundred thirty-seven billion, two hundred thirty million, five hundred twenty-six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 1597 3194 4791 9582 21269 42538 63807 98809 127614 197618 296427 592854 33966593 67933186 101899779 157797973 203799558 315595946 473393919 946787838 2101568621 4203137242 6304705863 12609411726 3356205087737 6712410175474 10068615263211 20137230526422